Diving and marine sports equipment; gear and accessories; regulators and breathing apparatus; underwater communication devices; underwater lighting; underwater vehicles; compressed air systems; cylinders and valves; diving and marine sports apparel, including swimwear; sportswear; skateboarding equipment; windsurfing gear; underwater photography and videography equipment; metal detectors; ancillary products and services; computer and software solutions; retail support; dive tour and boat charter operations; marine adventure ventures and safety‑life‑saving equipment; hotel and resort amenities; diving training institutions and certification bodies, among others. (Copyright of this content belongs to Juzhan; redistribution without permission is prohibited.)